It is 1605AD. Tom, five years old, lives in Wales. The only father he knows is Ivor Davis, a fisherman. His true father is Ralph Maddox, a naval captain far away. This sequel to 'The Phoenician Symbol' follows Tom’s journey to manhood. As an Eisteddfod prophet predicts his future, he is sent to a farm in Surrey, boarding school, then a London shipyard. Tom sails to Jamestown, Virginia, not knowing the ship’s captain is his father. They bring home Welsh settlers whose families were massacred by Indians who understand Welsh.
Returning to Wales Tom inherits his grandfather’s estate, including a Roman gold mine. His true father acknowledges his son as Thomas Maddox, and sends him to Christ’s College, Cambridge. Without money for fees, Thomas is accepted as a sizar - an undergraduate servant to more affluent students. He must serve the brother of his unattainable dream girl, who is committed to an arranged marriage with the loathsome deputy governor of Jamestown. Thomas embarks on a lifelong quest to prove that those Indians are from a colony established by his Welsh ancestor Prince Madoc, who discovered America in 1172AD.